Upholstery-spring.



PATENTBD FEB. 17, 1903.

' E. P. OBRIEN. UPHOLSTERY SPRING.

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FFECEQ FRANK P. OBRIEN, OF CINCINNATI, OHIO, ASSIGNOR OF ONE-HALF TOJULIUS DIETRICH, OF MILFORD, OHIO.

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SPECIFICATION forming part of Letters Patent lilo. 720,956, datedFebruary 17, 1903. Application filed net 1,1902. SerialNn. 105,478. iNomodel.)

T0 at whom it may concern-i Be it known that I, FRANK P. OBRIEN, acitizen of the United States of America, and a resident of Cincinnati,in the county of Hamilton and State of Ohio, have invented certain newand useful Improvemen ts in Upholstery- Springs, of which the followingis a specification. .7 This invention relates to certain improvements inspring structures such as are commonly employed incarriage-seats,chair-seats, bed-bottoms, and the like; and the object ofthe invention is to provide a structure of this general characterwherein are employed helical springs and supporting-wires therefor andin which is provided improved means for supporting the helical springsupon said supporting-Wires and also for holding said springs againstdisplacement.

The invention consists in certain novel features of the construction,combination, and arrangement of the several parts of the improved springstructure wherebycertain im portant advantages are attained and thedevice is made simpler, cheaper, and stronger and is otherwise betteradapted and made more convenient for use, as will be all hereinafterfully set forth.

The novel features of the invention will be carefully defined in theclaims. 1

In the accompanying drawings, which serve to illustrate my improvements,Figure l--is an under side view of the frame of a carriageseat havingsupportingwires and helical springs combined according to my invention,and Fig. 2 is a perspective detail View drawn to a larger scale andshowing portions ofa spring and its supporting-wires toillustrate theimproved means for holding said spring in position. Fig. 3 is aninverted partial section also drawn to an enlarged scale and showingcertain features of construction to be hereinafter referred to. Fig. 4is a fragmentary under side View showing a modified construction of thespring structure also embodying my improvements.

Referring first to Figs. 1 to 3, 1 indicates as a whole the frame of thecarriage-seat to which my improved spring structure is applied, and 2 2indicate supporting-wires extended lengthwise along the open bottom ofthe seat-frame 1, parallel with each other, while 3 3 indicate othersupporting-wires arranged in a seriesparallel with each other, butextended across the open bottom of the seat-frame at right angles to andintersecting the wires 2; The wires 2 2 are beneath the Wires 3.3, asherein shown; but this is immaterial to my invention, as is also thespacing or distancing of the wires of the respective series, whichspacing. may be varied at will to suit different cases and for differentkinds of work.

a 4 indicate the springs of the structure, which springs may be of anywell-known kind, being herein shown. as formed with their lower portionsof less diameter than their upper parts and; provided with lower endcoils 5 5 for engagement with the supporting-wires 2 and 3, abovereferred to.

The end coil 5 of each spring l has at dia metrically opposite pointsupward bonds or bights- 6 6, of a size adapted to fit snugly over andrest upon thecorresponding wire 3 in such a way as to prevent thespring, when placed in position in the structure,from movementlaterallywith respect to such wire 3. In arranging the springs in thestructure they are placed, as shown in the drawings, at theintersections of the respective wires of the series 2 and 3. The endcoil of each spring f is also formed witha free extremity or arm 7, inwhich is produced aloop or eye 8, which is usually produced by acircular bend at the end of said free arm, as shown in the drawings, andthe corresponding wire 2 of the longitudinal series of supporting-wiresis adapted to be slipped or passed through said loop or eye 8 in such away as to hold the spring when in place in th est'ructure againstmovement laterally with respect tosaid wire 2. As shown on the drawings,the loop or eye 8 in the arm or extremity 7 of the end coil 5 isarranged at a point about central with relation to the bends or bights 66, by means of which said end coil has engagement with the wire 3, andat the side of the end coil 5 diametrically opposite to said loop or eye8 the wire 2 in the assembling of the structure, after being passedthrough said loop or eye 8 and beneath the wire 3, is passed above saidend coil, as indicated at 9, in order to hold the bends or bights 6 6securely pressed down in engagement with the wire 3.

In assembling the improved spring structure constructed according to myinvention the wires of one seriessay the wires 3 3, for exam ple-arefirst extended parallel with each other, and then a spring 4 is heldupon one of said wires 3, with the bights or bends 6 6 of its end coil 5engaged over said wire at points opposite the point at which it isdesired a wire 2 shall intersect said wire 3. The end of the wire 2 isthen passed first through the loop or eye 8 on the free arm 7 of the endcoil of said spring and is then passed beneath the supporting-wire 3 andafterward above the portion 9 of the end coil 5 opposite to loop or eye8, in order to lock the end coil 5 of the spring between said wires 2and 3. When one spring has been thus secured in position in thestructure, another is applied either to the same wire 3 at a point atwhich another wire 2 is desired to intersect therewith,or such nextspring may be applied upon the next wire 3 of the series, and the end ofwire 2 which secures the first spring may be pushed past said firstspring until it comes in position for securing such second spring to thesecond wire 3 of the series.

In the modified form of structure shown in Fig. 4: substantially thesame principle is involved, with the exception that the end coil 5 ofthe spring is provided at a point diametrically opposite end loop or eye8 with a circular bend or loop 10, through which the wire 2 is designedto be passed for securing the spring more firmly to thesupporting-wires.

The improved spring structure constructed in accordance with myinvention is of an extremely simple and inexpensive nature and isespecially well adapted for use, since by its employment the use of bentor crimped supporting-wires is altogetheravoided, so that the structuremay be very easily and quickly put together, whereby a very considerableand important economy in the manufacture is attained. The springs whenin position in the structure are also securely and firmly locked againstdisplacement and also against turning movement by the engagement of thebonds or bights 6 6 and loops 8 with the supportingwires 3 and 2, theportions 9 of the end coils 5 which are passed beneath the wires 2serving to hold the bends or bights 6 6 against being lifted otf of thewires 3 in case the springs should be tilted or moved sidewise at theirupper parts. When the structure is assem- It will also be obvious fromthe above description of my improvements that the improved springstructure constructed according to my invention is capable of somemodification without material departure from the principles and spiritof the invention, and for this reason I do not wish to be understood aslimiting myself to the precise form and arrangement of the several partsof the device herein set forth.

Having thus described my invention, what I claim, and desire to secureby Letters Pat ent, is-

1. A spring structure comprising intersecting supporting-Wires and aspring having an end coil formed with bends adapted for engagement withone of the supporting-wires and with a loop through which the othersupporting-wire is passed, said loop serving by engagement with thesupporting-wire passed through it, to hold the spring against turningmovement, substantially as set forth.

2. A spring structure comprising a spring having an end coil formed withoppositely-arranged bends or bights and also with a circular bend orloop, a supporting-wire extended beneath the said end coil and withwhich said oppositely-arranged bends or bights are engaged and anothersupporting-wire extended through the circular bend or loop of the endcoil, intersecting the first-named supportingwire at the central part ofthe end coil and at the side of the end coil opposite to said circularloop having engagement with said end coil to hold the first-named wireengaged in the bonds or bights of the said end coil, the engagement ofsaid loop with said supportingwires also serving to hold the springagainst turning movement, substantially as set forth.

3. A spring structure comprising intersecting supporting-wires and aspring having an end coil with which the intersection of thesupporting-wires is centrally located, said end coil being formed withbends oppositely arranged and having its extremity formed with acircular loop or eye, one of said intersecting supporting-wires beingextended beneath the end coil in engagement with the oppositelyarrangedbends thereof and the other of said supporting-wires being extendedthrough the circular eye or loop of the extremity of the end coil tohold the spring against turning movement and having at the opposite sideof said end coil engagement therewith to hold the first-namedsupporting-wire against displacement from the oppositely-arranged bendsof the end coil, substantially as set forth.

Signed at Cincinnati, Ohio, this 26th day of April, 1902.

FRANK P. OBRIEN.

Witnesses:

JULIUS DIETRICH, JOHN ELIAS JoNEs.

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